Question about RCA F32649 32" TV

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Reflowed solder, replaced flyback - still have 5 "clicks" of deat

Hi,

I am trying to fix my inlaws F32649 32" TV. I am a budding arcade hobbiest from the world of cap kits. So, after the TV died, it just gives the "5 clicks" trying to switch on. I tried reflowing all the solder joints I could find on the boards. No help. I tried cleaning off as much of their disgusting nicotine dirt/stains. No Help. TV still gave the "5 clicks" of death. So, I read these boards, and decided the most likely cause was a bad flyback transformer.

Well, I finally got off my duff, tracked down the replacement part as a 244247, and replaced it. Went just fine. Everything flowed nice and silver and shiny.

Turned it on. "5 clicks" again. Argh.

I see no glow at all anywhere. No arcing. There's no sound. Nothing on the picture tube. After turning off, my discharge probe spikes up good to 15Kv or so (I haven't tried it on.)

My inlaws had various ways of describing how it failed originally. Space heater in front that wasn't there before. Then, screen going out. Possibly to a horizontal line? Not sure. Sometimes coming back on after turning off of a bit. But, after a day or so of that, nothing. Just the 5 clicks.

Any ideas? I'm game for using a multimeter and a soldering iron. I have a high voltage probe with banana clip for safe discharging. Many thanks in advance.

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Thanks Ladywinn. I found the thyristor. Unfortunately, it was in great shape. In fact, on my board, it had a clip and adhesive to help hold it. (Factory installed clip and adhesive). Seems like they'd already tackled the thyristor issue on my model.

Posted on Dec 08, 2008

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There is a thyristor next to relay by ac fuse ck to see if it falls off 2 wires holding it resolder back to wirers sticking up its round and sliver .

Posted on Nov 27, 2008

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I have a Panasonic CT-36hL43G TV that just turned offf while watching it and now the led by the power button blinks one time. Can anyone tell me what this code means or what the problem might be?


i hope your tv is more than 4years old ....... in all CRT TV's or CRT monitors after 4years a component called flyback transformer (see picture ) becomes weak - its work is to supply voltage to tube............. then following are the signs ...
(1) in some TV's only front LED's blinks - no picture no sound.... (2) in some TV's picture comes slowly after few seconds or after few mins or after few hours......... (3) in some TV's suddenly picture & sound goes temporarly & after some time again it appears ...... etc in case of (2) & (3) only flyback transformer needs to be replaced .....100% GUARANTEE again TV works normallyBUT in case of (1)... --------------- YOUR CASE (a) either only flyback transformer gets deffective or (b) flyback transformer & another component called transister ( will be near flyback transformer & its back portion is attached to aluminium metal ) gets defective or (c) along with flyback & transistor -- 3 or 4 more components (resistors, diodes, some times ICs ) gets deffective so replacing flyback transistor is a must .. & to find whether any other component is deffective or not completemainboard has to be checked ....... so if you are a technical person & having expierence in servicing line then you can do it yourself otherwise approach good tv service engineer ........... your TV is really very good one ... so don't think of buying new TV .... just goahead for repairing it it is worth & it works for atleast 2 more yrs....... try this & tell me what happened switch off your TV ... remove power cord from socket ,,,,.ware some mat or chapples to your feet ..... remove your TV's back side cover ......... observe carefully for any physically damaged components .... if you find then don't do anything ... close tv cover & approach tv service engineer ............. but if no physically damaged components are visible then take a suitable screew driver & rotate 2 (or 3) Knobs on flyback transformer in clockwise or anticlockwise direction - very little ( 4 or 5 degrees ) - you have to do this without touching any cable or any part of your tv .......... then fix..... back side TV cover ........connect power cord - stay at a distance & switch on your tv ......... if you get picture atleast for few seconds then in your case only flyback transformer needs to be replaced otherwise complete mainboard has to be checked. to find other deffective component ............. so your tv problem is a harware problem - it cannot be solved using remote control or any buttons on your tv ..... if you are finding difficult to get it repaired then you can remove your tv mainboard with the help of some technician & send to me ...... i will replace deffective components .... & send back to you ....you only have to bare the shipping charges .....it will take maximum 12days (5days - to recieve + 2 days servicing + 5 days to send back to you )....



8_16_2011_10_00_55_pm.jpg

Aug 16, 2011 | Panasonic CT-36HL43 36" TV

1 Answer

Need to replace the flyback (transformer) is it


good morning friend. it is not very complicated to fix, but it is far more better to allow someone with experience to solve this problem. there will be excess solder on the bottom of the circuit board the connects the flyback. you must desolder this in order to remove it. you need to have a mesh desolder wick in order to completely remove the solder. go over each eyelet( pins from flyback) as many times it take to completely clean it. follow the cords to their different destination and unplug them. write down each location and what you did and go into the reverse order. thank you and pleasew rate my solution.

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2 Answers

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look for cold solder joints on primary side of power supply

Jul 01, 2008 | RCA 27V530T 27" TV

1 Answer

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The Flyback is probably shorted (a common ocurrance with this set) get an aftermarket one.
Thanks guy9

Jun 10, 2008 | Sony FD Trinitron WEGA KV-27FS100 27" TV

2 Answers

Tv shuts on and off by itself


This tv may have a defective flyback transformer . Your chassis # of this set indicates it is ctc197 . some of these sets also had weak caps in the power supply or loose connections in the horizontal section . If your set clicks like it is coming on then clicks right back off and does this a few times then i would say it is the flyback transformer . If not suspect the other circuits as your problem . A shop might charge between $80.00 to $120.00 to fix it . If you can't fix it , call around to get the best price . Good luck

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2 Answers

It won't turn on


The smell of something burning is not a good sign. The clicking sound you are hearing could be a relay or breaker kicking in and out as a result of whatever is wrong.

This could be cause by:
1. A problem in the power supply.
2. A problem with the Horizontal Output Stage.
3. The Flyback transformer.

Someone gave me a TV once that had the same problem. I determined that it had a bad flyback transformer. I replaced the transformer and the TV worked about 5 secs before I saw some black smoke come out of the new flyback. I turned it off right away and realized that something else was bad that caused the original flyback to burn up. The same thing was causing the new flyback to go as well. It turned out to be a shorted, 50 cent hi-speed switching diode. Fortunately, because I had turned the set off quickly when the 2nd flyback started to smoke, once I replaced the diode, the TV was fixed.

If you want to get it working again, you'll need to have it serviced.

Good luck,
- Jim

Jan 26, 2008 | Zenith B27A11Z 27" TV

1 Answer

Hitachi 32 No Picture or sound


if you are hearing a click and electrical statics when you try to turn it ON, the flyback of the tv is busted there are alot of reasons for that problem lighting is one so dont leave the cable screwed in if ever youre going out for a long time. you can have it replaced by a technician ( flyback). but it would cost you. and im not sure if you can find an orginal flyback considering its 10years old. there are replacement flybacks but quality would not be as good as the original one.

Oct 06, 2007 | Hitachi 32UX51B 32" TV

1 Answer

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The F32668 uses the CTC203 series chassis and I usually see 2 problems when the set will not run. The first is poor solder joints on a small coil near the horizontal output transistor, but if thats the case the set tends to run for a while and randomly shut off. When the set clicks and never runs I usually find that the flyback (high voltage) transformer has shorted out inside. In this case the flyback should be replaced by an experienced tech.

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2 Answers

No picture or sound. LED blinks 5 times


Hi, I have a similar problem with mine. but mine doesn't cut out. I tried keeping my finger on the reset button, on the remote control, and shut the TV off. When I put it back on, it's not flashing anymore. So far, it's about 4 hours and it's not flashing yet. Hopefully it will not. It's worth a try. Hope this helps.

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1 Answer

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solder all around the flyback area if this not resolve the problem replace the flyback

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